Daisuke locks Takei up in the basement of the Kambe residence. Cho-san interrogates him to find out who the mastermind is behind all of this, but Takei is shook with fear and refuses to speak. Daisuke discovers that the reason why HEUSC is being uncooperative is related to his parents’ research. Kato goes through the documents that Cho-san gathered in his 19 years of investigating the case and finds an important photo.
It seems the intruder
is heading towards the basement room.
يبدو أن الدخيل متوجه نحو 
 .غرفة القبو
Der Eindringling scheint sich
zum Untergeschoss zu begeben.
El intruso se dirige
a la habitación del sótano.
Il se dirige vers le sous-sol.
Pare che si stia dirigendo
verso il seminterrato.
Parece que o intruso
está indo para o porão.